:root {
  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;

  color-scheme: light dark;
  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;
}
button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}

.card {
  padding: 2em;
}


@media (prefers-color-scheme: light) {
  :root {
    color: #213547;
  display: flex;
  place-items: center;
    background-color: #ffffff;
  }
  }
  button {
    background-color: #f9f9f9;
  }

